Congo vs Cook Islands: Share of one-year-olds who are vaccinated against polio
Congo
76.0%
in 2024
Cook Islands
75.0%
in 2024
Congo rank
150th
Cook Islands rank
153rd
Share of one-year-olds who are vaccinated against polio over time
- Congo
- Cook Islands
How they compare
Congo currently reports 76.0% against 75.0% in Cook Islands, a difference of 1.0%.
The two have swapped places 4 times across 45 shared years of data; in 1980 it was Congo ahead.
Congo ranks 150th and Cook Islands ranks 153rd of 194 countries.
Cook Islands has averaged higher in every one of the 5 decades both report.
Head to head by decade
| Decade | Congo | Cook Islands | Difference | Ahead |
|---|---|---|---|---|
| 1980s | 60.9% | 72.5% | 11.6% | Cook Islands |
| 1990s | 50.8% | 88.8% | 38.0% | Cook Islands |
| 2000s | 58.0% | 95.1% | 37.1% | Cook Islands |
| 2010s | 68.8% | 98.1% | 29.3% | Cook Islands |
| 2020s | 64.6% | 82.4% | 17.8% | Cook Islands |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher share of one-year-olds who are vaccinated against polio, Congo or Cook Islands?
- Congo, at 76.0% against 75.0% in Cook Islands as of 2024.
- What is the difference in share of one-year-olds who are vaccinated against polio between Congo and Cook Islands?
- 1.0%, with Congo ahead.
- How many years of comparable data are there for Congo and Cook Islands?
- 45 years are reported by both, from 1980 to 2024.
- How do Congo and Cook Islands rank globally for share of one-year-olds who are vaccinated against polio?
- Congo ranks 150th and Cook Islands ranks 153rd of 194 countries.
- Where does this data come from?
- WHO & UNICEF (2025); UN, World Population Prospects (2024) – processed by Our World in Data, published as Share of one-year-olds who are vaccinated against polio. Statizoid refreshes it automatically from the source and publishes the full history for both places.
Individual pages
About this data
Share of one-year-olds who have had the third dose of either the oral or inactivated polio vaccine in a given year.